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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Toor and Marchello
Gilliland
Fick
Stefan

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Mass Transfer
Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.

Critical
Bound
Free
Unbound

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Mass Transfer
For the same process conditions, the reflux ratio of an unlagged distillation column

Increases in winter
None of these
Decreases in winter
Increases in summer

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Mass Transfer
During drying of a solid, the critical moisture content increases with

Increased thickness of the solid
Increased drying rate
Both B and C
Decreased drying rate

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Mass Transfer
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.

Forced
Natural
Induced
None of these

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Mass Transfer
In McCabe-Thiele method, at infinite reflux ratio

Both A & B
Both the operating lines coincide with diagonal
The overhead product is minimum
Neither A nor B

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